Just in time for Halloween, the final installment of the cult-favorite Paranormal Activity trilogy is set to hit theaters today, and before you run to the box office for a good scare, we've got the Paranormal Activity 3 trailer to get you in the mood. Although this is the third film in the Paranormal Activity franchise, it serves as a prequel, set in 1988, 18 years prior to the events in the first two films. From the trailer, it looks like PA3 is going for a real Poltergeist vibe, as two...Read Full Story